- new double control (former controlmode = 2)

- better sea client compatibility

tecs/coc_client.h

@@ -4,6 +4,11 @@
 #include "myc_buf.h"
 #include "coc_util.h"
 
+typedef struct {
+  void (* func) (char *, void *);
+  void *arg;
+} OutFunc;
+
 typedef struct {
   void *adr;
   int type, size;
@@ -43,6 +48,7 @@ int CocGetStr(CocConn *conn, const char *name, char *value, int value_len);
 int CocGetFloat(CocConn *conn, const char *name, float *value);
 int CocGetInt(CocConn *conn, const char *name, int *value);
 int CocGetArray(CocConn *conn, const char *name, float *value, int value_size);
+int CocGetOut(CocConn *conn, const char *name, OutFunc *f);
 int CocDoIt(CocConn *conn, char *error, int error_len);
 
 int CocCheck(CocConn *conn);